package com.milkshopbackend.milkshop.Service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.milkshopbackend.milkshop.entity.CartSelection;

import java.util.List;

public interface CartSelectionService extends IService<CartSelection> {
    void selectCart(Long userId, Long cartId);
    void unselectCart(Long userId, Long cartId);
    void selectAllCarts(Long userId);
    void unselectAllCarts(Long userId);
    List<Long> getSelectedCartIds(Long userId);
} 